Drop STRICT_SYSV_CURSES from the C API macro allowlist

Author: vasiliyk

Tools/build/check_capi_macros_ignored.txt

@@ -712,7 +712,6 @@ SSTATE_INTERNED_IMMORTAL_STATIC
 SSTATE_INTERNED_MORTAL
 SSTATE_NOT_INTERNED
 STDC_HEADERS
-STRICT_SYSV_CURSES
 SYS_SELECT_WITH_SYS_TIME
 S_IFLNK
 S_IFMT